Robert C. Allen Books

Worlds Without End

By Laura Stempel Mumford, Louise Spence, Robert C. Allen, Jane Feuer, James Thurber, Ron Simon, Robert J. Thompson

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What is it that makes soap operas so compelling, that attracts a worldwide audience - students, homemakers, and professionals alike - larger than that of any other entertainment form? Who created s...

Why Kosovo?

By Bob Allen, Robert C. Allen

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Gel Electrophoresis Isoelectric Focusing of Proteins

By Robert C. Allen, Rainer H. Maurer, R. C. Allen

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Restraining the Economy

By Robert C. Allen

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Ot fermy k fabrike

By Robert C. Allen

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Teoria y practica de la historia del cine Film History. Theory and Practice Cine Film

By Robert C. Allen, Douglas Gomery

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Revolucion En Los Campos

By Robert C. Allen

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Creating Hawaii Tourism

By Robert C. Allen

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.